kernel/sys_ni.c:72:1: warning: no previous prototype for function '__arm64_compat_sys_epoll_pwait2'

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   dfa377c35d70c31139b1274ec49f87d380996c42
commit: b0a0c2615f6f199a656ed8549d7dce625d77aa77 epoll: wire up syscall epoll_pwait2
date:   8 months ago
config: arm64-randconfig-r015-20210814 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 1f7b25ea76a925aca690da28de9d78db7ca99d0c)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b0a0c2615f6f199a656ed8549d7dce625d77aa77
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout b0a0c2615f6f199a656ed8549d7dce625d77aa77
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:33:1: note: expanded from here
   __arm64_sys_lookup_dcookie
   ^
   kernel/sys_ni.c:60:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:61:1: warning: no previous prototype for function '__arm64_compat_sys_lookup_dcookie' [-Wmissing-prototypes]
   COND_SYSCALL_COMPAT(lookup_dcookie);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:41:25: note: expanded from macro 'COND_SYSCALL_COMPAT'
           asmlinkage long __weak __arm64_compat_sys_##name(const struct pt_regs *regs)    \
                                  ^
   <scratch space>:34:1: note: expanded from here
   __arm64_compat_sys_lookup_dcookie
   ^
   kernel/sys_ni.c:61:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:41:13: note: expanded from macro 'COND_SYSCALL_COMPAT'
           asmlinkage long __weak __arm64_compat_sys_##name(const struct pt_regs *regs)    \
                      ^
   kernel/sys_ni.c:64:1: warning: no previous prototype for function '__arm64_sys_eventfd2' [-Wmissing-prototypes]
   COND_SYSCALL(eventfd2);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:35:1: note: expanded from here
   __arm64_sys_eventfd2
   ^
   kernel/sys_ni.c:64:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:67:1: warning: no previous prototype for function '__arm64_sys_epoll_create1' [-Wmissing-prototypes]
   COND_SYSCALL(epoll_create1);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:36:1: note: expanded from here
   __arm64_sys_epoll_create1
   ^
   kernel/sys_ni.c:67:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:68:1: warning: no previous prototype for function '__arm64_sys_epoll_ctl' [-Wmissing-prototypes]
   COND_SYSCALL(epoll_ctl);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:37:1: note: expanded from here
   __arm64_sys_epoll_ctl
   ^
   kernel/sys_ni.c:68:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:69:1: warning: no previous prototype for function '__arm64_sys_epoll_pwait' [-Wmissing-prototypes]
   COND_SYSCALL(epoll_pwait);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:38:1: note: expanded from here
   __arm64_sys_epoll_pwait
   ^
   kernel/sys_ni.c:69:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:70:1: warning: no previous prototype for function '__arm64_compat_sys_epoll_pwait' [-Wmissing-prototypes]
   COND_SYSCALL_COMPAT(epoll_pwait);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:41:25: note: expanded from macro 'COND_SYSCALL_COMPAT'
           asmlinkage long __weak __arm64_compat_sys_##name(const struct pt_regs *regs)    \
                                  ^
   <scratch space>:39:1: note: expanded from here
   __arm64_compat_sys_epoll_pwait
   ^
   kernel/sys_ni.c:70:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:41:13: note: expanded from macro 'COND_SYSCALL_COMPAT'
           asmlinkage long __weak __arm64_compat_sys_##name(const struct pt_regs *regs)    \
                      ^
   kernel/sys_ni.c:71:1: warning: no previous prototype for function '__arm64_sys_epoll_pwait2' [-Wmissing-prototypes]
   COND_SYSCALL(epoll_pwait2);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:40:1: note: expanded from here
   __arm64_sys_epoll_pwait2
   ^
   kernel/sys_ni.c:71:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
>> kernel/sys_ni.c:72:1: warning: no previous prototype for function '__arm64_compat_sys_epoll_pwait2' [-Wmissing-prototypes]
   COND_SYSCALL_COMPAT(epoll_pwait2);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:41:25: note: expanded from macro 'COND_SYSCALL_COMPAT'
           asmlinkage long __weak __arm64_compat_sys_##name(const struct pt_regs *regs)    \
                                  ^
   <scratch space>:41:1: note: expanded from here
   __arm64_compat_sys_epoll_pwait2
   ^
   kernel/sys_ni.c:72:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:41:13: note: expanded from macro 'COND_SYSCALL_COMPAT'
           asmlinkage long __weak __arm64_compat_sys_##name(const struct pt_regs *regs)    \
                      ^
   kernel/sys_ni.c:77:1: warning: no previous prototype for function '__arm64_sys_inotify_init1' [-Wmissing-prototypes]
   COND_SYSCALL(inotify_init1);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:42:1: note: expanded from here
   __arm64_sys_inotify_init1
   ^
   kernel/sys_ni.c:77:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:78:1: warning: no previous prototype for function '__arm64_sys_inotify_add_watch' [-Wmissing-prototypes]
   COND_SYSCALL(inotify_add_watch);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:43:1: note: expanded from here
   __arm64_sys_inotify_add_watch
   ^
   kernel/sys_ni.c:78:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:79:1: warning: no previous prototype for function '__arm64_sys_inotify_rm_watch' [-Wmissing-prototypes]
   COND_SYSCALL(inotify_rm_watch);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:44:1: note: expanded from here
   __arm64_sys_inotify_rm_watch
   ^
   kernel/sys_ni.c:79:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:84:1: warning: no previous prototype for function '__arm64_sys_ioprio_set' [-Wmissing-prototypes]
   COND_SYSCALL(ioprio_set);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:45:1: note: expanded from here
   __arm64_sys_ioprio_set
   ^
   kernel/sys_ni.c:84:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:85:1: warning: no previous prototype for function '__arm64_sys_ioprio_get' [-Wmissing-prototypes]
   COND_SYSCALL(ioprio_get);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:46:1: note: expanded from here
   __arm64_sys_ioprio_get
   ^
   kernel/sys_ni.c:85:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:88:1: warning: no previous prototype for function '__arm64_sys_flock' [-Wmissing-prototypes]
   COND_SYSCALL(flock);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:47:1: note: expanded from here
   __arm64_sys_flock
   ^
   kernel/sys_ni.c:88:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   arch/arm64/include/asm/syscall_wrapper.h:76:13: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                      ^
   kernel/sys_ni.c:101:1: warning: no previous prototype for function '__arm64_sys_quotactl' [-Wmissing-prototypes]
   COND_SYSCALL(quotactl);
   ^
   arch/arm64/include/asm/syscall_wrapper.h:76:25: note: expanded from macro 'COND_SYSCALL'
           asmlinkage long __weak __arm64_sys_##name(const struct pt_regs *regs)   \
                                  ^
   <scratch space>:48:1: note: expanded from here
   __arm64_sys_quotactl
   ^
   kernel/sys_ni.c:101:1: note: declare 'static' if the function is not intended to be used outside of this translation unit


vim +/__arm64_compat_sys_epoll_pwait2 +72 kernel/sys_ni.c

    65	
    66	/* fs/eventfd.c */
    67	COND_SYSCALL(epoll_create1);
    68	COND_SYSCALL(epoll_ctl);
    69	COND_SYSCALL(epoll_pwait);
    70	COND_SYSCALL_COMPAT(epoll_pwait);
    71	COND_SYSCALL(epoll_pwait2);
  > 72	COND_SYSCALL_COMPAT(epoll_pwait2);
    73	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip


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